<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
		<title>Document</title>
	</head>
	<body>
		<script>
      // 请用循环计算出 1+2+3+4+5+...+100  的值
      
			var sum = 0
			for (var i = 1; i <= 100; i++) {
				sum += i
			}
			console.log(sum)
		</script>
	</body>
</html>
